SPRING VALLEY - As the chaos unfolded around them — flags flying and tempers flaring — the Clarkstown South players tried to focus on themselves. They had enough to worry about. Several first-half mistakes sent them into halftime with a one-touchdown lead despite out-gaining Spring Valley nearly three to one.

"We were just freaking out after the first half," said senior Michael Iodice, referencing two costly fumbles in Tiger territory. "But we kept everything together and came out in the second half hot. Nobody can beat us if we don't beat ourselves."

The Vikings overcame some ball security issues to post another dominant win. They pulled away from Spring Valley, eventually winning 41-13 and improved to 2-0.

Clarktown South's John Thom (9) pushes the ball up the field past Spring Valley's defenders during football game at Spring Valley High School on Sept. 7, 2018.(Photo: Carucha L. Meuse/The Journal News)

Clarkstown South will host 2-0 Nyack next Friday.

"When we came out at first, maybe we were a little too excited," senior quarterback Drew Tallevi said. "We were playing tight. When we relax and let the game flow, we play well. We’re going to take everything we learned out of this game and get ready for Nyack."

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Clarktown South's quarterback Drew Tallevi throws a pass to his teammates during football game at Spring Valley High School on Sept. 7, 2018.(Photo: Carucha L. Meuse/The Journal News)

Tallevi, who was 8 for 8 last week, finished 12 of 16 for 151 yards and threw touchdowns to Iodice and Jack Tucek. The Vikings rushed for 299 yards as a team, including Kyle Walker's 12 carries for 152 yards and two scores. Iodice also rushed for a pair of touchdowns.

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Clarktown South's Reginald Lamarre (6) pushes the ball up the field past Spring Valley's defenders during football game at Spring Valley High School on Sept. 7, 2018.(Photo: Carucha L. Meuse/The Journal News)

They built off last week's 66-point effort at Tappan Zee, a game highlighted by a 54-point first half. However, Friday's opening drive ended prematurely with a fumble at the goal line. Another drive in the second quarter stalled deep in Spring Valley territory because of a wild snap.

Following the halftime dressing down, Clarkstown South rebounded immediately. The Vikings recovered the opening kickoff of the third quarter in Tiger territory. Tallevi hit Iodice in the end zone on the next play for a 20-7 lead.

"I think we're expecting more," senior lineman Arnett Jung said of his team's impressive start. "We have a lot of things to clean up and we're expecting more from this group."

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Clarkstown South plays Spring Valley during football game at Spring Valley High School on Sept. 7, 2018.(Photo: Carucha L. Meuse/The Journal News)

Spring Valley (1-1) scored on long touchdown passes from sophomore Dylan Bellefleur to Jayden Cook and Tylynn Dorenzo, but players and coaches' saw their frustrations boil over during a plodding, penalty-filled third quarter. The Tigers were hit for three 15-yard penalties on one drive alone.

Friday marked Spring Valley's first regular-season game on its new field. The East Ramapo district constructed new turf facilities at both high schools, Spring Valley and Ramapo, which played the majority of their home games off-campus in recent years.

Spring Valley defenders try to recover the ball after Clarktown South's quarterback Drew Tallevi drops it during football game at Spring Valley High School on Sept. 7, 2018. Carucha L. Meuse/The Journal News